One of the most ancient cities of Latvia, it is also ice-free port on the Baltic Sea. Ventspils is the sixth largest city in Latvia. In 1290 the castle of the Livonian Order was built, after that the territory of city begins to expand. There is an airport (since 1975), yacht harbor (mooring length is 85 meters) also there is a ferry lines (to Germany, Sweden and Estonia). Climate of Ventspils is moderate, transitive from sea to continental. Average temperatures in January is -2 C up to +7 C, July is +16 C up to +20 C. The weather is changeable enough, usually an autumn and spring are long. The Swimming season lasts from the end of June till August. Ventspils is one of the fastest growing and most dynamic cities in Latvia. The predominant sectors of industry in Ventspils are transport and communications. The port of Ventspils is a world known transit centre for crude oil, oil products, potash, different liquid chemicals, metals. Sights of city are: Ventspils Seaside Open-Air Museum, Ventspils Museum in Livonian Order Castle in Ventspils , Memorial museum of Writer Herbert Dorbe, Ventspils museum.