Initially a village, the settlement was incorporated into Breslau (today's Wrocław) in 1904.

[2] The earliest record of the settlement of Gayn dates back to 1273.

The border of the then annexed part of the village ran along present-day Działkowa Street.

In 1905, Breslau councilors decided to fully incorporate the village to the city.

[3] In 1991, after reforms in the administrative division of Wrocław, Gaj became one of the city's 48 districts.