The conservative CSU is a regional Bavarian party, which plays an important role on the federal level as "sister party" to chancellor Angela Merkel's CDU.
The CSU traditionally has a comfortable majority of around 50 percent in Bavaria. The average age of its 147,000 members is 59, they live mainly in rural areas. CSU leaders are known for their beer-swilling populism, they embrace conservative family policies for stay-at-home moms and anti gay marriage; some are euroskeptic, and the party leadership wants foreigner drivers to pay to use German motorways. This page provides a collection of DW's latest content the CSU or Bavaria's state premier, Horst Seehofer.
Germany's political parties targeted SPD candidate Martin Schulz during their annual, insult-rife Ash Wednesday rallies. Schulz fired back in a speech, calling out "ultra-nationalism" and Merkel's conservative union.
Angela Merkel has been officially nominated as the conservatives' candidate for September's federal elections in Germany. This was confirmed on Monday at a meeting of Merkel's centre right Christian Democratic Union or CDU and its sister party, the Christian Social Union or CSU. But the latest opinion polls show there's been a surge in support for her main rival. Paul Jäger reports.