This country is divided into eleven administrative regions, which include Ziguinchor and Louga.  
This nation is home to the Retba Lake, which famously changes color from pink to purple depending on the intensity of sunlight.  It is also home to the Sine Saloum delta, which is south of the Small Coast.  The Wolof comprise some 43 percent of this nation's population; other major ethnic groups include the Fula and Serer.  This country is divided into eleven administrative regions, which include Ziguinchor and Louga.  The Casamance River flows through its south, and its second- and third-largest cities are Thies and Kaolack.  A namesake river flowing from Mali serves as its northern border.  FTP, Mali, Guinea-Bissau, Guinea, and Mauritania surround what nation that itself surrounds Gambia?
This nation is home to the Retba Lake, which famously changes color from pink to purple depending on the intensity of sunlight.  
Senegal