Financial supervision is a multidisciplinary academic concept and research field dedicated to the systematic oversight and regulation of financial institutions and markets. It investigates the objectives, mechanisms, effectiveness, and consequences of regulatory frameworks and supervisory practices aimed at ensuring financial stability, consumer protection, and market integrity. Key areas of inquiry include the analysis of prudential requirements, conduct regulation, enforcement strategies, and the institutional design of supervisory bodies, highlighting its significance in understanding financial system resilience, economic performance, and societal welfare.