Vladivostok is not a frozen harbor.

Vladivostok (Vladivostok) is close to the Sea of Japan waters under the influence of the Thousand Islands Cold Stream, and the winter freezing period lasts for 100 to 110 days (from early December to mid- to late March), so it is not a year-round freezing port.

Vladivostok is located on the southern tip of the Muravyov-Amursky Peninsula on the Pacific coast, near the Sea of Japan, the city is built on mountains, with highlands in the north, and bordered on the east, south, and west by the Ussuri Bay, the Great Peter's Bay, and the Amur Bay, respectively. The city and the port area is located in the Amur Peninsula at the top of the Golden Horn Bay coast, the Golden Horn Bay from southwest to northeast into the interior, about 7 kilometers long, the entrance to the bay width of about 2 kilometers, the depth of water 20 ~ 30 meters. The south side of the Gulf of the Golden Horn across the East Bosphorus, there are Russian islands as a natural barrier. The bay is surrounded by low mountains and hills, the situation is dangerous, the world's few natural harbors.