The aim of this paper is to investigate the role of international financial integration into financial market development of Euro area countries. Annual dataset from 1998 to 2014 by using multiple regression method. The study focuses on financial integration on determining the impact on financial market development. Overall results confirming the significant positive and negative effect of international financial integration (Stock traded& share price and stock turnover ratio, respectively) while insignificant positive andnegative effect of financial integration (financial assets and liabilities and share price volatility, respectively) on financial market development. The finding provides strong evidence of achieving higher financial market development due to the drivers of financial integration.