The Harmonized Index of Consumer Prices category "Catering Services (11.1)" is a classification of services. This category contains Restaurants, cafés, and the Like (11.1.1) and Canteens (11.1.2) subcategories. This category is a subcategory of Restaurants and Hotels (11) category.
Information provided in the notes pertaining to HICP classifications can be found from the source at: http://ec.europa.eu/eurostat/cache/metadata/en/prc_hicp_esms.htm.
Copyright, European Union, 1995-2016, http://ec.europa.eu/geninfo/legal_notices_en.htm#copyright.
Eurostat, Harmonized Index of Consumer Prices: Catering Services for Germany (including former GDR from 1991) [CP1110DEM086NEST], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/CP1110DEM086NEST, October 23, 2017.