This building dates back to 1799. This is where the Mayor of Cadíz has meetings and decides all of the rules and regulations for the people of Cadíz. People can also choose to get married here. The three flags that are on display here are : The Spanish Flag, The Andalusian Flag and The Cadíz City Flag. The last two have a picture of Hercules who is said to have played a big role in establishing the city of Cadíz.