Sociology is a study of human behavior in society at different situations and also it deals with interrelationships in society. Sociology is a branch of social sciences. A person professional in sociology is called a sociologist.
Sociology is a vast subject. Sociologist study about social groups, social factors, urban sociology, political sociology, social psychology. They also study about the human social life in many ways. This subject includes history, psychology, political science, economics and many more.