Provinces in bold denote metropolitan municipalities. Competences of cities and city municipalities are divided. The prefecture was subdivided into the following municipalities and communities. Their region includes 19 municipalities and 108 communities. Hayward borders on many municipalities and communities. Bulacan is subdivided into 21 municipalities and 3 cities. The constitution also allows the creation of other territorial entities formed by groups of municipalities. A district consists two types of units like Rural Municipalities and Municipalities. Each of the seven former municipalities in turn encompasses numerous smaller neighbourhoods. The emirate is made up of various other municipalities and villages. Laguna comprises 24 municipalities and 6 cities. There are no other large municipalities in the region. Toronto encompasses a geographical area formerly administered by many separate municipalities. Philadelphia is one of the oldest municipalities in the United States. The 1993 annexation made London one of the largest urban municipalities in Ontario.