Are Xinmi and Haikou both cities ?
Haikou Hǎikǒu (), is the capital and most populous city of Hainan province, China. It is situated on the northern coast of Hainan, by the mouth of the Nandu River. The northern part of the city is the district of Haidian Island, which is separated from the main part of Haikou by the Haidian River, a branch of the Nandu.
Haikou New Port Haikou New Port () is a seaport in Hainan, China. Formerly known as the Inner Harbour, this port is located on the southern side of the mouth of the Nandu River 7 km east of Haikou Xiuying Port. Prior to around 2016, it was main distribution centre for cargo entering Hainan, including seafood, with a wholesale fish market located at the far eastern end. The wholesale fish market is now located in the middle of Xinbu Island. Haikou New Port was also a major port for immigration onto Hainan Island.