The State Office for the Protection of the Constitution (German: Landesbehörde für Verfassungsschutz; LfV) is a state-level security agency in Germany.

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In seven federal states of Germany, it is a semi-independent agency called Landesamt für Verfassungsschutz and reports to the state's interior ministry. In the nine remaining federal states, it is organized as a division within the state's interior ministry.

The following states, mostly Western German, have a detached Landesämter für Verfassungsschutz:

• Landesamt für Verfassungsschutz Baden-Württemberg [de]
• Bayerisches Landesamt für Verfassungsschutz
• Landesamt für Verfassungsschutz Bremen [de]
• Landesamt für Verfassungsschutz der Freien und Hansestadt Hamburg [de]
• Landesamt für Verfassungsschutz Hessen [de]
• Landesamt für Verfassungsschutz Saarland [de]
• Landesamt für Verfassungsschutz Sachsen

The following nine states, both in the East and West part, have a division within each state Interior Ministry handling constitutional protection:^[1]

• Verfassungsschutz Berlin [de]
• Verfassungsschutz Brandenburg [de]
• Verfassungsschutz Mecklenburg-Vorpommern [de]
• Verfassungsschutz Niedersachsen [de]
• Verfassungsschutz Nordrhein-Westfalen [de]
• Verfassungsschutz Rheinland-Pfalz [de]
• Verfassungsschutz Sachsen-Anhalt [de]
• Verfassungsschutz Schleswig-Holstein [de]
• Amt für Verfassungsschutz Thüringen [de]

• List of intelligence agencies of Germany