Its 29 islands are concentrated in the central part.

This group is concentrated in rural regions, especially in the northern part of the country.

The frass is concentrated in the lowest part of the mine.

Most of these schools were concentrated in the northern part of the country.

Most of this production is concentrated in the northern part of the state.

The settlements of the parish are mainly concentrated in the eastern part.

The frass is concentrated in the oldest, highest, part of the mine.

The phenomenon was still concentrated in the lower part of the central crater.

These were concentrated in the southern part of Finland.

An opposition source also reported the fighting to be concentrated in the northern part of the city.