Serbin is an unincorporated community in southwestern Lee County, Texas, United States. Located about 50 miles (80 km) east of Austin, it was originally established as Low Pin Oak Settlement by Sorbian (Wendish) immigrants to Texas in the mid-1850s. The community's name was changed to Serbin, meaning "Sorbian land", prior to 1860.The largest single migration of Sorbian immigrants to the United States settled in Texas, using Serbin as the "mother colony".