瑞典首都斯德哥尔摩市西边的梅拉伦湖中有一座美丽的小岛名叫比约克岛,被称为“瑞典第一城”的海盗古城——比尔加就在该岛上。比约克岛面积不过几平方公里,但因地处梅拉伦湖水道交通的枢纽位置,在古代曾有许多重要的商业路线会聚在这里。8世纪中叶,斯堪的纳维亚半岛仍处于小王国林立状态,瑞典国王在此修建了比尔加城, There is a beautiful island called Bjork Island in the west of Lake Malaren in the capital city of Sweden, where the island of Bilga is known as the “Old Town of Sweden”. Billy Island is only a few square kilometers in area but due to its location at the gateway to the waterways of Lake Mälaren, there have been many important commercial routes in ancient times. The mid-eighth century, Scandinavia Peninsula is still in a state of small kingdom, the king of Sweden in the construction of the city of Bilga,