The district under the jurisdiction of a city divided into districts belongs to the county level.
A trademark cannot be registered as a trademark as long as it has a place name at or above the county level, but the place name has a second meaning, that is, except for other meaning. For example, Chaoyang District in Beijing belongs to the administrative division at or above the county level, but the word "Chaoyang" can be read as "Chaoyang", which means rising sun, so it can be registered as a trademark.