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Steadily being transformed into a vast new city, Tuy Hoa is characterised by its vast plaza and multi-laned boulevards. It’s a possible overnight stop to break up a longer journey, especially for cyclists brave enough to tackle Hwy 1, but most visitors are just passing through.

South of Hanoi, Ninh Binh province is blessed with natural beauty, cultural sights and the Cuc Phuong National Park. Highlights include boat trips amid karst landscapes at Tam Coc and the Unesco World Heritage-listed Trang An Grottoes.

Beyond the urban buzz and excitement of Ho Chi Minh City, the attractions of the surrounding region include fascinating cultural and historical sights such as the Cu Chi tunnels and the Cao Dai Holy See temple at Tay Ninh. Also worth exploring is the Unesco-accredited area around Can Gio, especially the extensive mangrove forests that were an integral part of the Viet Cong resistance effort during the American War.

A French-era hill station, this national park reaches a peak of 1450m at Bach Ma mountain, only 18km from the coast. The cool climate attracted the French, who built over a hundred villas here. Not surprisingly the Viet Minh tried hard to spoil the holiday – the area saw some heavy fighting in the early 1950s and again during the American War.

This eponymous provincial capital isn't unpleasant; the climate is mild, and winter days can bring a chilly welcome relief from the heat when a thick fog clings to the banks of the Bang Giang River. But you'll most likely use the city as a base to explore rural Cao Bang province, one of the most beautiful regions in Vietnam.

The geographic heart of the nation, central Vietnam is packed with historic sights and cultural interest, and blessed with ravishing beaches and outstanding national parks. Marvel at Hue and its Imperial Citadel, royal tombs and excellent street food. Savour the unique heritage grace of riverside jewel Hoi An, and tour the military sites of the Demilitarised Zone (DMZ). Check out Danang, fast emerging as one of the nation’s most dynamic cities. Also emerging as a must-visit destination is the extraordinary Phong Nha region, home to three gargantuan cave systems (including the world’s largest cave), and a fascinating war history concealed amid stunning scenery. Enjoy well-earned downtime on the golden sands of An Bang Beach or learn to cook central Vietnamese cuisine, the nation’s most complex. With improving highways, and upgraded international airports at Hue and Danang, access to this compelling and diverse part of Vietnam has never been easier.

The epicentre of the Mekong Delta, Can Tho is the largest city in the region and feels like a metropolis after a few days exploring the backwaters. As the political, economic, cultural and transportation centre of the Mekong Delta, it’s a buzzing town with a lively waterfront lined with sculpted gardens, an appealing blend of narrow backstreets and wide boulevards, and perhaps the greatest concentration of foreigners in the delta. It is also the perfect base for nearby floating markets, the major draw for tourists who come here to boat along the many canals and rivers leading out of town.

Around 40km west of Danang lies lush Ba Na. Originally established in 1919 by the French as a hill resort, the 200-odd old villas are now ruined, but the refreshingly cool weather and gorgeous countryside views make it a worthwhile trip from Danang.

The picturesque little province of Ben Tre was always one ferry beyond the tourist traffic of My Tho and consequently developed at a more languid pace, although new bridges connecting Ben Tre with My Tho and Tra Vinh funnelled more visitors into the area. The town’s sleepy waterfront, lined with ageing villas, is easy to explore on foot, as is the rustic settlement across the bridge to the south of the centre. This is also a good place to arrange boat trips in the area, particularly for those wanting to escape the tour-bus bustle. Plus, the riverside promenade and the narrow lanes on both sides of the river are ideal for two-wheeled exploration.

Rugged, craggy and jungle-clad Cat Ba, the largest island in Halong Bay, has experienced a tourism surge in recent years. The central hub of Cat Ba Town is now framed by a chain of low-rise concrete hotels along its once-lovely bay, but the rest of the island is largely untouched and as wild as ever. With idyllic Lan Ha Bay just offshore, you'll soon overlook Cat Ba Town's overdevelopment.