No other area in the city captures the essence of its people, pace, consumerism and food culture quite like Mong Kok. Its name literally means “busy corner”, and Guinness World Records says it has the highest population density of any place in the world – a crowdedness that can offer a fascinating experience in itself. Down and dirty but modern and lively, containing raw energy without gloss or glamour, these streets are where teenagers hang out after school, where aspiring musicians rock out on the weekends, where the nocturnal find a pulse. And it’s where everyone goes to bargain shop for anything that can be sold.

For visitors to the city, an afternoon in Mong Kok is the easiest way to glimpse authentic Hong Kong culture. Fashion trends begin here, and the street food is legendary. A shopping experience is a feast for the senses and your dollar will stretch far (though watch out for pickpockets). Most street markets and shopping centres here have themes, each specialising in a narrow line of products from goldfish to brand name shoes to the best deals in electronics. Shops open late, from around noon to midnight. Getting there is easy – take the MTR to Mong Kok station (E3 on the CityLife Hong Kong map insert).

Start at Argyle Centre (65 Argyle Street) for trendy clothes and accessories. The prices are low and the fashion is hot – but don’t expect couture. Here you will find young clothing, shoes and bags, as well as junk jewellery you can afford to stockpile. There’s no avoiding the swarms of shoppers and the claustrophobia, but after school hours bring the most extreme crowds.

Hong Kong has built a reputation for its good selection of the latest electronic products. Head to where the locals go for the latest and most affordable computer products: Mong Kok Computer Centre (8 Nelson Street), a three-storey building with nothing but computers, accessories and software at reasonable prices. Keep the receipts and packaging, as most stores are willing to exchange defective items.

Walk down Fa Yuen Street, also known as Sport Shoe Street, to find a seemingly endless array of sports shoes with famous logos. Most notable is the wide selection of Converse shoes – a favourite among local youth – in every colour and material available. These street-level stores sell authentic and sometimes hard-to-find special edition items, and the prices are lower than elsewhere. There are plans to redevelop this street into a modern sports-themed shopping centre by 2013, so go to see the original while it is still there.

The adjacent street is Tung Choi Street, and its southern end is better known as Ladies' Market. The market is made up of stalls and shops selling a hodgepodge of inexpensive clothing, handbags, toys and watches. Haggling is expected. The items for sale do lean towards ladies’ interests, but as with all the markets, it’s worth a look for everyone even if just for the experience of seeing the crowds and stalls. You can probably pick up a few cheap souvenirs here for friends back home.

Keep walking north on Tung Choi Street and you will hit Goldfish Market. Fish are considered lucky in Chinese culture and pet fish can double as feng shui accessories. If you are just visiting Hong Kong for a short spell, you may not be looking looking to buy any pets along the way, but this market is too impressive and charming to be missed. All along the street are aquariums and inflated plastic bags filled with jewel-like fish at prices ranging anywhere from a few dollars to a few hundred for the more exotic.

The Flower Market is located near Prince Edward MTR station. It is hard to miss with its large selection of flowers all crowded together on Flower Market Road. Because the flower shops are predominantly wholesale businesses, most fresh blooms can be purchased for pocket change – a decent-sized orchid plant can go for as little as $25. The flower shops open earlier than the surrounding businesses, from around 7am to 8pm.

At the end of the Flower Market is the Bird Garden on Yuen Po Street, which is actually a park lined with bird shops. Bird owners – mainly older men – bring their caged pets here for a few relaxing hours to chat with friends and also to give their birds a nice change of scenery. The stores on this street sell colourful birds ranging from small finches to large talking parrots as well as live feed and beautiful Chinese-style cages. It opens at 10am and closes at dusk, when the birds have their bedtime.

Mong Kok is also the place to get a true taste of the city – it is known for its food stalls that sell Hong Kong-style street food. These snacks – served out of small stores facing the streets – are a tasty bite for people on the go. The most famous are the curry fish balls, skewered stuffed peppers, “stinky” tofu that tastes much better than it smells, and waffles smothered with peanut butter. Portions are small and prices are low, but most of all, they are delicious and authentically Hong Kong.

The new juxtaposed with the old is a signature of the city. If you are craving air-conditioned, spotless malls, there is always something tall and shiny nearby. Mong Kok has the new and enormous Langham Place (555 Shanghai Street), which houses a shopping complex as well as the five-star Langham Place Hotel. After a few hours on the mean streets, treat yourself to the hotel’s Backyard, a beautiful alfresco dining terrace only open on Fridays, Saturdays and public holidays (reservations: 3552 3200).