Gulin Subdistrict is bordered by Yantian and Bohai Bay to the east and Dagang Subdistrict to the west. It shares a border with Jinnan District, while  to the north, across the river, lies Nanpaihe Town in Huanghua City, Hebei Province. The subdistrict encompasses 64 residential communities, housing a population of over 110,000 residents, and  covers an area of 118 square kilometers.

Gulin Subdistrict features a 25-kilometers coastline stretching from the mouth of Duliujian River in the north to the mouth of Canglangqu River in the south,making it the only coastal agricultural town in the Binhai New Area. Major roads such as the Coastal Expressway, Haijing Avenue, and Jincheng-Qikou Highway run north-south through the subdistrict, while Shanggao Road, Yongming Road, and Wanxiang Road span it from east to west. Additionally, the extension of Century Avenue connects with Binhai Avenue in the east, providing a link to Gangdong New Town.

Gulin Subdistrict is home to over 50 enterprises and institutions, including Dagang Power Plant, China Huaye, Dagang Oilfield Construction Company, Tianjin Longyuan Wind Power, and Tianjin Lida Aquatic Products. Key national enterprises and functional areas such as Nangang Economic Zone, Light Textile Economic Zone, Tianjin Petrochemical Company, and Dagang Oilfield are located around Gulin Subdistrict. 

The area boasts abundant resources in the catering, tourism, and leisure industries, with the renowned Gulin Seafood Street. Guangang Suburban Park spans 22.85 square kilometers, encompassing 11,300 mu of forest and 7,920 mu of water, providing a sanctuary for migratory birds. The Xintiandi Complex, with a total construction area of 155,000 square meters, stands as the largest commercial center in the southern part of the Binhai New Area.

In 2022, the total industrial output value of large-scale industries reached 6.02 billion yuan, representing a year-on-year growth of 1.98%. Fixed asset investment is projected to reach 1.28 billion yuan, with a year-on-year growth of 0.80%. The estimated total retail sales of consumer goods above a certain limit amount to 133 million yuan, reflecting a year-on-year growth of 91%. Domestic investment utilization amounted to 630 million yuan, surpassing the annual target by 108%. Additionally, there were 1,474 newly registered market entities with a total registered capital of 3.1 billion yuan.