'Just a short flight away, this city destination is Japan's younger, cooler sibling.'

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Aussies are packing their bags for Japan like never before.

Nearly 1 million Australians visited Japan last year, marking a 50 per cent increase in visitor numbers, according to Australian National University's Australia-Japanese Research Centre. 

I recently travelled to Osaka, and I can confirm I saw Aussies at every corner. It's not a bad thing, but it does take you out of the "foreign escape" mindset. 

So, imagine getting everything you love about Japan, but with streets that pulse with style, energy, and endless discoveries – this doesn't even begin to describe South Korea.

Listen: Sarah Holloway chats about her trip to Seoul, South Korea. Post continues below.

If Japan is the admirable eldest sibling, South Korea is the cool younger sibling.

I've been to South Korea three times, including earlier this year. I've done all the tourist hotspots, but also discovered the hidden gems that aren't as well known.

Here, all the buzzy places and and less-popular treasures you definitely need to add to your South Korea itinerary.

A quick escape, brimming with personality.

An overarching view from our hotel. Image: Mikaela Felias.

Seoul is a jam-packed, busy city, but it could not be easier to get to. It's just a 10-hour flight from Sydney – about half the time of your average Euro-trip.

The city is easily navigated, with English translations for almost everything, including menus and transportation – which was very helpful for me and my family, who aren't fluent in Korean. 

As we wondered, quiet corners revealed trend-setting cafés, subversive fashion boutiques, and new experiences waiting at every step. 

I want to emphasise that Seoul isn't about ticking off sights on a checklist, it's about finding your own rhythm in the city – everyone's trip will be different.

Shopping in Seoul is always a highlight of my trips. Images: Mikaela Felias.

My main tip as a returning visitor? I've learned to reserve full days to shop.

Looking for the right items, walking around, and carrying all your items home. It's a full-body workout!

I would recommend staying at least a week to see everything Seoul has to offer. There is a lot more below the surface than the travel guides cover. 

Where to stay in Seoul.

Our lovely hotel in Dongdaemun! Images: Mikaela Felias.

A great thing about Seoul is how many of its hotels and accommodation options are located in the middle of the city, allowing easy access to public transportation.

Not to mention, there is a wide price range to suit your budget, and even affordable options have lovely amenities and service. 

My family stayed in Dongdaemun. It's a train ride away from shopping goldmine Myeongdong, but with less nightlife than its neighbour, which is reassuring for people who value their beauty sleep like me.

We stayed in the Novotel Ambassador Seoul Dongdaemun Hotel, which included a buffet breakfast, not to mention great accessibility to public transport with bus stops and train stations within walking distance. 

Nine Tree by Parnas is a nearby mid-range alternative, with buffet breakfast also an option, and suitable room space. 

Quirky stops you didn't see coming.

Throughout my time in Seoul, I stumbled upon places I never would've considered putting on my itinerary – and they ended up being the most memorable parts of my trip. 

Here are the spots to put on your radar.

Vinyl Café, Starfield Suwon.

This unique experience is one you can't miss. Images: Ella Vartuli.

My friend let me know about this place on my most recent trip, and it definitely lived up to the hype. 

Located in Starfield Mall in Suwon, this multistory library is stacked with music of all genres. 

Each seat is set with a turntable and headphones, allowing you free rein to borrow a vinyl and jam out to any song you desire as you sip on a beverage. 

ArtBox/Butter, Myeongdong. 

Sonny Angels are on the rise and everyone wants to get their hands on one. For the initiated, Sonny Angels are collectable, pocket-sized cherubs, each coming with its own unique outfit – this ranges from animals & fruits to seasonal & limited-edition design. 

Their surge in popularity reflects Gen Z's connection to nostalgic trends (i.e. Labubus), combined with the "blind box" element, which further engages viewers through curiosity. But in Australia they can go up to almost $30 for one. 

At ArtBox and Butter, Sonny Angels are more than half the price, starting at only $9. I took full advantage of this hefty discount and bought multiple for myself and for my equally excited friends. 

My adorable Korean collection. Image: Mikaela Felias.

Seongsu.

It was very cold, so face masks came in clutch! Images: Mikaela Felias.

Seongsu is an up-and-coming hotspot in Seoul, often referred to as the city's "Brooklyn". This is evident in the overwhelming western influence in the area.

Unexpectedly, I found the best pizza spot first thing. ASAP Pizza oozes urban flair, with classic hip-hop and rap artists playing on the TV, red lighting all around (including the tables), and funky posters plastered across the place. 

Yes, I ordered Hawaiian pizza. Images: Mikaela Felias.

Make sure to keep a lookout for local pop-up stores while you're there. From makeup to fashion boutiques and even food, Seongsu has a rotating selection of brands and delicious eats to explore. 

Novelty stores.

On an average walk down any shopping street in Seoul, I can guarantee you will see at least three novelty stores.

But don't count these out as "silly trinkets", because they often have quality essentials at a much cheaper price. 

For example, I bought this fab scarf at Bling Box in Insadong. It's super warm and only cost me $11!

Decent quality for the price! Image: Mikaela Felias.

Lotte World.

I wrote off Lotte World as 'too touristy', but it was an unexpected highlight of my trip. I went during my first visit six years prior, so the feeling of nostalgia took over this time around. 

The tradition of getting your own character headband, and running around the giant indoor and outdoor rides is always so fun. 

Release your inner child for the day! Images: Mikaela Felias.

On this particular day, we got to watch a traditional Korean performance. All the dancers were decked out in Hanboks and there was an amazing drumline which was a key standout for me. 

The best eats.

I would do anything to have these again! Images: Mikaela Felias.

You might have heard of Gwangjang market, or the Myeongdong food street. There are so many great eats on offer in Seoul, and I've found the best. 

Eggdrop, multiple locations: A quirky and delicious take on Korean Street Toast, aka a loaded cheese toastie. I would definitely recommend the 'Ham & Cheese French Toast' – don't knock it till you try it!

Whiteburch Story Tea House, Jongno: True Korean desserts complete with a warm and cosy interior. We loved the Red Bean Bingsu.

Xiao Bao Beef Noodles, Jongno: My number one recommendation for noodle soup in Seoul. Specialising in hand-made noodles, with flavourful broth, and the option of adjusting the spice level? We were definitely sold.

Seouljip, Eulji-ro: A lovely KBBQ find tucked away in a quiet corner. Great portions for the price, and impeccable service from the staff. One staff member even made me a complimentary Ssam (a lettuce wrap). 

Local food vendors: I highly encourage supporting the local food vendors. Whether they're selling Tteokbokki (spicy rice cakes), roasted sweet potatoes, or Tanghulu (sugar-coated fruit skewers), you are guaranteed a delicious snack and a lovely conversation. 

Skincare and beauty which will leave you glowing. 

I think I bought over 10 facemasks while I was there. Image (Left): Mikaela Felias. Image (Right): Olive Young Myeongdong Global.

With the rise of K-Beauty stores opening across Australia, it's no surprise that people want to experience it from the source – not to mention the significantly lower prices. I'd suggest you check out:

OLIVE YOUNG, mulitple locations: South Korea's answer to Mecca. Everything you could ever want in skincare and beauty is right here. I think I stopped by almost every day of my trip.

Sulwhasoo Flagship, Myeongdong: A large array of skincare products and a mesmerising interior.

ALL MASK STORY, multiple locations: A wide selection of products. Very affordable with frequent sale periods. 

Watch: Here's our favourite K-Beauty blush application. Post continues below.

Where Seoul's 'It–girls' are shopping. 

My puffer jacket was a staple for me! Images: Mikaela Felias

Always wanted to know what the fashion girlies are wearing? I found the most coveted places to shop for clothing and accessories. 

Samo Ondoh, Seongsu.

These bags are the definition of "cool girl". Image: Instagram - @samo_ondoh_store.

Located in the heart of Seongsu, this up-and-coming bag brand is a must for anyone who loves a fashionable, yet practical bag. 

With notable callbacks to Miu Miu's pocket bag, Samo Ondoh adds their own twist with their numerous patterns, textures, and sizes. 

Walking in their flagship store was a lovely experience, with their open floor plan showcasing all their bags, and a designated spot for the perfect mirror selfie. 

My sister and I made good use of this! Image: Mikaela Felias

Blue Elephant flagship, Myeongdong.

There were so many mirrors, we had to take some mirror selfies! Images: Mikaela Felias

This eyewear brand has recently gone viral online for reportedly having the same manufacturer as luxury eyewear brand 'Gentle Monster', for over half the price. 

I visited their flagship store in Myeongdong, which was an impressive 3 stories high. Each floor each had its own theme, with their respective glasses. 

I went home with a pair, and I can confirm the quality is great for its price.

It's also worth checking out:

• Marge Sherwood, Seongsu & Hannam-dong: Another hotspot for the perfect "cool girl" bag. Pieces show a notable 90s influence.

• 8seconds, multiple locations: Comparable to Cotton On. This clothing brand is a core spot for a quick, affordable and trendy outfit.

Create the trip that's right for you.

My family and I loved Whiteburch Story Tea House! Image: Mikaela Felias.

My parting note is that it's up to you how you see Seoul.

Going three times taught me to see it through multiple lenses. Like a 'choose your own adventure', it's a place for fun, culture, and discovery. 

And while Japan may have a big reputation, Seoul will always be its younger, cooler sibling. 

Feature Image: Mikaela Felias.