Hong Kong is an important port city because of its location, it which does about $1 billion in business every year. Despite its East Asian location, it is under British rule the result of a war due to the Chinese not wanting to open up to international trade. As such, it is an interesting mix of British and East Asian influences. The international global trade activities in the port contrast with the basic lives of the approximately 30,000 who reside on sanpans or junks. Fish is both an important part of the diet as well as a source of primary industry. The primary city of Hong Kong is Victoria, named after the British monarch. Its residents are comprised of a wide range of ethnicities from around the world. Life is also a mix of modern western influences arrived with the British, and the predominant cultural influence of the traditional Chinese. The Chinese section of the island is the most densely populated urban area in the world. Repulse Bay, so named because pirates were repulsed there, is the primary urban recreational area of Hong Kong.