States of Germany equivalent to those of the ministers in the larger states. The equivalent of the minister-president is the "Senatspräsident" (president of the senate) in Bremen, the "Erster Bürgermeister" (first mayor) in Hamburg, and the "Regierender Bürgermeister" (governing mayor) in Berlin. The parliament for Berlin is called the "Abgeordnetenhaus" (House of Representatives), while Bremen and Hamburg both have a "Bürgerschaft". The parliaments in the remaining 13 states are referred to as "Landtag" (State Parliament). The city-states of Berlin and Hamburg are subdivided into boroughs. The City of Bremen consists of two urban districts: Bremen and Bremerhaven, which are not contiguous. In the
States of Germany are not covered by the normal administrative structure of the respective states. In 2010 only three "Kommunalverbände besonderer Art" exist. Ämter ("offices" or "bureaus"): In some states there is an administrative unit between the districts and the municipalities, called "Ämter" (singular "Amt"), "Amtsgemeinden", "Gemeindeverwaltungsverbände", "Landgemeinden", "Verbandsgemeinden", "Verwaltungsgemeinschaften", or "Kirchspiellandgemeinden". Municipalities ("Gemeinden"): Every rural district and every "Amt" is subdivided into municipalities, while every urban district is a municipality in its own right. There are () 12,141 municipalities, which are the smallest administrative units in Germany. Cities and towns are municipalities as well, also having city rights or town rights ("Stadtrechte").