Finance is the field of study, which deals with concepts of time, money and risk and also about how all these three factors are related with each other. Yes you are right that managerial finance is one of the most important branches of finance. Another branch is the Personal finance which deals with the finance at individual level. Corporate finance deals with the corporate activities and for small businesses there is SME finance. Financial management is a very important branch of finance which deals with the selection of the right investments plans. Moreover, Financial economics is another important area of study of finance which deals with financial markets etc. Finance also includes Financial markets, and financial accounting. Three other major branches of finance which are getting very common include Financial mathematics, experimental finance and quantitative behavioral finance.