Assuming the map is of the known world, medieval maps were usually centered on Jerusalem. Sometimes they were centered on Rome. Portolan charts were sometimes based on a projectioncentering on Alexandria, and this was true even if Alexandria was not on the map.
the church
placing the most important information in the center of the map
The country was Spain.
The medieval calendar served as a map of the Church year. While following the method of the Roman calendar in determining dates, it also listed saints' days and other religious feasts and recorded the phases of the moon.
in medieval towns
The location in the center of a map is often referred to as the "map center" or the "center point." It is where the horizontal and vertical axes intersect, indicating the point of balance within the map.
which is the largest wall map in the world
the church
a ruler?
Polar maps usually put the named pole at the center of the map.
The church
Yes
placing the most important information in the center of the map
Placing the most important information in the center of the map.
Lines of latitude on a polar projection map radiate outward from the center towards the edges of the map. On a polar projection map, the North Pole is typically at the center, while lines of latitude move southward towards the map edges.
A relative location map is a map that assumes that the viewer's present location is the center of the map. This means that everything else is relative to their location.
Copernicus disputed the medieval belief that the Earth was the center of the universe, known as the geocentric model. He proposed the heliocentric model, where the Sun, rather than the Earth, was at the center of the solar system.