Bakka Sector

The Bakka Sector is the Segmentum Tempestus cube around the naval-capital Bakka System, one of the five Segmentum fortresses, a lava-sea well whose yards keep southern crusades in hulls.

Battlefleet Tempestus answers from here. Ork wars and Tyranid tendrils use these docks as the last stop before the void. Neighbour rocks from Chakka to Wightan share the chart.

The Bakka Sector still matters because the south has no second capital of this scale. Unofficial summaries keep the Tempestus parent and leave Bakka a child of bakka-system.