March of Istria

• Coat of Arms
• 

  March of Istria
  Substitute arms from 1500s

• 

  March of Istria
  Unofficial arms since 17th century

• 

  March of Istria
  18th century
  Officially adopted from 1849

• Ruling Houses
• 

  House of Weimar

• 

  House of Sponheim

• 

  House of Andechs

• 

  Patriarchate of Aquileia

• 

  House of Gorizia

• 

  Republic of Venice
  Conquered coastal Istria in 13th and 14th century

• 

  House of Habsburg
  Inherited the inner part from House of Gorizia