Where does sovereignty lies in the modern state?

In the modern state, sovereignty primarily lies with the nation-state, which has the authority to govern itself and make decisions free from external interference. This sovereignty is often expressed through legal frameworks, democratic institutions, and the rule of law, allowing citizens to participate in governance. Additionally, globalization and international agreements have influenced sovereignty, as states may share or delegate certain powers to supranational organizations, while still retaining ultimate authority over their territory and population.