The gritty port city of Rijeka isn’t a huge tourist draw, with most visitors passing through en route to the islands or the neighbouring seaside resort of Opatija, although the city centre is home to some handsome Austro-Hungarian architecture.

Croatia’s second city enjoys a dramatic setting, hugging a sweeping bay against a backdrop of sheer grey mountains. Split's labyrinthine old town is contained within the remarkable Roman ruins of Diocletian’s Palace, a UNESCO World Heritage Site, and spills out onto the buzzing seafront Riva promenade.

Kotor sits at the head of a beautiful, fjord-like bay, hemmed in by glowering mountains. The compact, walled old town is Montenegro’s star attraction, a warren of little alleyways and shady squares that is often described as a ‘mini Dubrovnik’.

The charming Puglian town of Gallipoli lies close to the bottom of Italy’s ‘heel’, with the modern town on the mainland connected by bridge to the walled old town, which sits just offshore on its own island. The cobbled streets are a delight to explore, full of beautiful baroque palazzi and enticing seafood restaurants.

Busy, noisy and a little bit scruffy, Catania is Sicily’s second city, poised perilously in the shadow of Mount Etna. In recent years gentrification has taken hold, and the city’s many beautiful palazzi and baroque churches have been restored to their former glory. Eating out here is also a real treat.

The UNESCO World Heritage-listed centre of Naples rewards exploration, and in addition to the many cultural treasures waiting to be unearthed Neapolitans are rightly proud of their food; this is where you’ll find the best pizza in Italy. The city also acts as a gateway to the fascinating remains of Pompeii and Herculaneum, and the beautiful Amalfi coast.

One of the world’s great cities, Rome continues to dazzle and delight visitors with a potent mix of architectural marvels, continent-defining history and buzzing nightlife. The Colosseum, the Vatican and the Forum are among the big ticket items, with the crowds to match, though in truth you will find history around almost every corner.

From the warren-like medieval streets of the Barri Gòtic to the fantastical modernist architecture of Antoni Gaudí, from the dizzy heights of Mount Tibidabo to the golden sands of Barceloneta, there’s never a dull moment in Barcelona.

Mallorca is renowned for its beaches, ranging from big, bustling resorts to small, secluded coves. The island interior offers ruggedly beautiful scenery and quaint little towns, while the charming capital, Palma, boasts an attractive old quarter dominated by the imposing Gothic cathedral.

Much more than just a gateway to the Costa Blanca, Alicante is an attractive and atmospheric city with plenty to recommend it. Founded by the Romans, then ruled by the Arabs for 500 years, the city has a rich history and a lovely old town, along with superb beaches and an excellent modern art museum.

Cartagena was founded by the Carthaginians around 227 BC, who named it after their home city in North Africa. These days the city is best known for its well-preserved Roman theatre, which was remarkably only discovered in 1987, in spite of its location in the centre of town.

Málaga boasts plenty of chic restaurants and bars where you can ease into the rhythms of life in southern Spain, before exploring sights including the intriguing, unfinished Gothic cathedral, and a museum devoted to the city's most famous son, Pablo Picasso.

The crumbling, sun-baked seafront city of Cádiz is said to be the oldest continuously inhabited settlement in the western world, founded by the Phoenicians around 1100 BC. Although the city lacks any obvious landmarks, it’s rich in atmosphere, and plays host to one of Spain’s most colourful carnivals.

Portimão is a bustling fishing port and gateway to the Algarve, with a pleasant riverside promenade where the smell of sizzling sardines fills the air. The most popular attraction is Praia da Rocha just to the south, one of the Algarve’s loveliest beaches.

Spread across steep hillsides that overlook the Rio Tejo, Lisbon’s colourful cityscape includes Gothic cathedrals, majestic monasteries and quaint museums. But for many the best times will be had wandering the narrow lanes of Lisbon’s lovely backstreets, with their great local food, wine and music.

In recent years Lanzarote has begun to shake off its mass market reputation and reinvent itself as a more upmarket destination. The extraordinary volcanic landscapes and the works of local artist César Manrique give the island a unique appearance, and the understated capital, Arrecife, is well worth exploring.

Said to have the world's most perfect climate, cosmopolitan Las Palmas is the capital of Gran Canaria and the largest city in the Canary Islands. The charming old quarter, La Vegueta, is where you'll find the city's most interesting colonial architecture, while beach fans should head for lovely Playa de las Canteras.

The lush volcanic island of La Palma is one of the Canary Islands’ best kept secrets, a place where tourism is still low key and the beautiful scenery is unspoilt by high rise developments. Don’t miss the colourful colonial architecture of the capital, Santa Cruz, reminiscent of the Spanish Caribbean.

Founded by the Spanish in 1521, Puerto Rico’s capital is the second oldest European settlement in the Americas. Modern San Juan is a bustling city, home to over a third of the island’s population, but the cobbled streets of the Old Town remain the biggest tourist draw.

Nassau, the lively Bahamian capital, is home to duty free shopping, a burgeoning restaurant scene and elegant Georgian architecture. There are some interesting museums where you can learn about the pirates and slave traders of yesteryear, and the surrounding coastline boasts some truly stunning beaches.