Please describe the geopolitical dimensions of a fantasy setting, inspired by renaissance europe. Create up to 15 Realms with different historical european medieval inspiration, outline their governmental, administrative and provincial structure (including nature of the ruler, noble ranks, noble power, provincial division and provincial subdivisions), their military strength (including composition and quality of armies, leaders, fleets and ship types if applicable, notable formations and weaknesses) and detail their relations (including brewing, ongoning or prior conflicts as well as internal conflicts). Divide in 5 Great Realms, 5 middle Realms and 5 smaller Powers. Rank according to relative power and explain the ranking. Describe the 5 Great Realms in great detail, the middle relams with less detail and the small realms as short as possible.

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