The paper presents new lexicon of verb valencies for the Czech language named VerbaLex. VerbaLex is based on three valuable language resources for Czech, three independent electronic dictionaries of verb valency frames. The first resource, Czech WordNet valency frames dictionary, was created during the Balkanet project and contains semantic roles and links to the Czech WordNet semantic network. The other resource, VALLEX 1.0, is a lexicon based on the formalism of the Functional Generative Description (FGD) and was developed during the Prague Dependency Treebank (PDT) project. The third source of information for VerbaLex is the syntactic lexicon of verb valencies denoted as BRIEF, which originated at FI MU Brno in 1996. The resulting lexicon, VerbaLex, comprehends all the information found in these resources plus additional relevant information such as verb aspect, verb synonymity, types of use and semantic verb classes based on the VerbNet project.