Tourism dominates the Croatian service sector and accounts for up to 20% of Croatian GDP. Annual tourist industry income for 2014 was estimated at €7.4 billion. Its positive effects are felt throughout the economy of Croatia in terms of increased business volume observed in retail business, processing industry orders and summer seasonal employment.
The bulk of the tourist industry is concentrated along the Adriatic Sea coast. Opatija was the first holiday resort since the middle of the 19th century. By the 1890s, it became one of the most significant European health resorts. Later a number of resorts sprang up along the coast and islands, offering services ranging from mass tourism to catering and various niche markets, the most significant being nautical tourism, as there are numerous marinas with more than 16 thousand berths, cultural tourism relying on appeal of medieval coastal cities and numerous cultural events taking place during the summer. Inland areas offer mountain resorts, agrotourism and spas.
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