Sec. 541.101.  METROPOLITAN AREA.  In this subtitle, "metropolitan area" means an area that:
(1)  contains at least one municipality with a population of at least 100,000;  and
(2)  includes the adjacent municipalities and unincorporated urban districts.
Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995.