Homestead
A chunk-based land claiming plugin, for Minecraft 1.21 and later
The command /region info will show information about a region.
This is the main menu to configure a region; Invite, untrust, ban, and unban players, rename region, set region's description, set region's spawn point, permissions, claims list... etc.
The command /region flags will open a menu where you can configure player flags and world flags. This picture shows the first 27 player flags (the rest are on the second page).
The command /region flags will open a menu where you can configure player flags and world flags. This picture shows only 20 world flags.
Homestead supports multiple Google Maps-like plugins, including dynmap, Squaremap, Pl3xMap, and BlueMap. This picture is from Squaremap.
The command /region borders will spawn colored particles around a sub-area or a region. From this picture, the green particles are around the region's borders, and the blue particles are around a sub-area's borders.