If the controlling faction isn't hostile, you can do the following at a town:
Periodically a town may host a Tournament: Each town also grants control of two or more villages. Once you have successfully won control of a town, you can manage it and station a garrison there. To take control of a town, you must besiege it or convince the owner to join your faction.
It was removed from the game in patch 0.950.) (Note, Zendar was a neutral city positioned between the Nords and Vaegirs that players began the game in.
Mount&Blade: Warband added one more faction, the Sarranid Sultanate, along with its four new towns, increasing the total to 22. The original Mount&Blade had 18 towns in Calradia. The player will interact with towns frequently to rest, sell loot, purchase goods and equipment, and establish businesses. They are supported by raw materials from the surrounding villages and trade caravans from other towns. Towns are the commerce and industrial centers in Mount&Blade.