The regional varieties in the language of the signs relate the differences in the language of the signs used in different geographic regions. Like every language, even the language of the signs can vary depending on the region in which it is usedwith differences in grammar, lexicon and in the syntax. The regional varieties may be affected by factors such as the history, the culture, the geography and the demographics the region in question. For example, the sign language used in the region of north-Italian may be different from the language of the signs used in the region south of italy, with differences in grammar, lexicon and in the syntax. The regional varieties as the language of the signs are important because they can influence the communication between deaf people from different regions and may require an adaptation of the interpretation the language of the signs depending on the regional variety used.