Similar to アマルフィ公国

Indo-Pacific

Seven Seas

Omani Empire

Dutch colonial empire

Naval strategy

Blockade#Close, distant and loose blockades

Naval warfare

Maritime security

Oared vessel tactics

Kilwa Sultanate

Spice trade

Seabasing

Maritime power

Naval tactics in the Age of Steam

Sea lines of communication

Command of the sea

Age of Discovery

Thalassocracy

Geopolitics

Choke point

Commerce raiding