Learn Survival Slovenian
Wikivoyage users have collectively created a free Slovenian phrasebook with the goal of making it possible for travelers to "get by" while traveling in areas where Slovenian is spoken.
Wikitravel phrasebooks are available in many languages and each one varies in depth and detail. Most of the phrasebooks include a pronunciation guide, a general phrase list, information about dates and numbers, a color list, transportation-related phrases, vocabulary for shopping and phrases for eating and drinking. Some are even more in depth, and all are free!
About Slovenian Language
From Wikivoyage: Slovenian (slovenski jezik) or Slovene (slovenščina) is the national language of Slovenia, an official regional language in southern Austria and northeastern Italy and one of the EU's official languages. It it not be confused with Slovak (slovenčina). Slovenian is a South Slavic language closely related to Serbian and Croatian and spoken by approximately 2.4 million speakers worldwide. In Slovenia, you may face some problems with understanding, even if you speak Slovene, because of the 56 dialects that are spoken in Slovenia.
From Wikipedia: Slovene or Slovenian (slovenski jezik or slovenščina, not to be confused with slovenčina, the native name of Slovak) is a South Slavic language spoken by approximately 2.5 million speakers worldwide, the majority of whom live in Slovenia. It is the first language of about 1.85 million people and is one of the 23 official and working languages of the European Union. Although Slovene is not an endangered language, its scope is shrinking considerably, especially in science and higher education.
The Slovenian language has the following linguistic heritage: Indo-European Languages > Balto-Slavic Languages > Slavic Languages > South Slavic Languages > Western South Slavic Languages > Slovene/Slovenian