From Traveller Wiki - Science-Fiction Adventure in the Far future

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Sylea style="width: 250px; height: 350px; border: solid 1px black; float: left; margin-right: 20px"

Domain of Sylea
V l a n d I l e l i s h Antares G a t e w a y Core Fornast Massilia Delphi Sol
Capital	Capital
Majority Control	Imperial
Other Control	None

The Domain of Sylea is the Domain of the Emperor. This is run directly without an Archduke, or in reality the Emperor is also the Duke of Sylea. This Domain is 98% Imperial Territory and there is only about one half sector of void.