The term cultural sphere expresses an understanding of culture

Culture

Culture is a term that has many different inter-related meanings. For example, in 1952, Alfred Kroeber and Clyde Kluckhohn compiled a list of 164 definitions of "culture" in Culture: A Critical Review of Concepts and Definitions...

 as attached to an ethnolinguistic group and the territory it inhabits. The "spheres of influence" considered may however overlap or form concentric structures of macrocultures encompassing smaller local cultures.

Examples:

• East–West dichotomy: the notion of a Western civilization contrasting with both the Near East
  Near East
  The Near East is a geographical term that covers different countries for geographers, archeologists, and historians, on the one hand, and for political scientists, economists, and journalists, on the other...
  
   and the Far East
  Far East
  The Far East is an English term mostly describing East Asia and Southeast Asia, with South Asia sometimes also included for economic and cultural reasons.The term came into use in European geopolitical discourse in the 19th century,...
  
  
• language families
  • Slavic Europe
    Slavic Europe
    Slavic Europe is a region of Europe where Slavic languages are spoken. This area is situated in Central and Eastern Europe and the Balkans, and includes the nations of Belarus, Bosnia and Herzegovina, Bulgaria, Croatia, the Czech Republic, the Republic of Macedonia, Montenegro, Poland, Russia,...
    
    
    • Yugosphere
  • Germanic Europe
    Germanic languages
    The Germanic languages constitute a sub-branch of the Indo-European language family. The common ancestor of all of the languages in this branch is called Proto-Germanic , which was spoken in approximately the mid-1st millennium BC in Iron Age northern Europe...
    
    
  • Latin Europe
    Latin Europe
    Latin Europe is a loose term for the region of Europe with an especially strong Latin cultural heritage inherited from the Roman Empire.-Application:...
    
    
  • Latin America
    Latin America
    Latin America is a region of the Americas where Romance languages  – particularly Spanish and Portuguese, and variably French – are primarily spoken. Latin America has an area of approximately 21,069,500 km² , almost 3.9% of the Earth's surface or 14.1% of its land surface area...
    
    
  • Celtic Europe

individual languages

• Anglosphere
  Anglosphere
  Anglosphere is a neologism which refers to those nations with English as the most common language. The term can be used more specifically to refer to those nations which share certain characteristics within their cultures based on a linguistic heritage, through being former British colonies...
  
  
• Hispanidad
  • Hispanic America
    Hispanic America
    Hispanic America or Spanish America is the region comprising the American countries inhabited by Spanish-speaking populations.These countries have significant commonalities with each other and with Spain, whose colonies they formerly were...
    
    /Ibero-America
    Ibero-America
    Ibero-America is a term used since the second half of the 19th century to refer collectively to the countries in the Americas that were formerly colonies of Spain or Portugal. Spain and Portugal are themselves included in some definitions, such as that of the Ibero-American Summit and the...
    
    
• Lusosphere
• German-speaking Europe
  German-speaking Europe
  The German language is spoken in a number of countries and territories in West, Central and Eastern Europe...
  
  
• Hindi Belt
  Hindi belt
  The Hindi Belt or Hindi Heartland is a loosely defined linguistic region in North and Central India where Hindi languages are widely spoken, either as primary or secondary languages....
  
  
• Sinosphere
  Sinosphere
  In areal linguistics, Sinosphere refers to a grouping of countries and regions that are currently inhabited with a majority of Chinese population or were historically under Chinese cultural influence...
  
  

geographic

• Greater China
  Greater China
  Greater China is a term used to refer to mainland China, Hong Kong, Macau and Taiwan. As a "phrase of the moment", the precise meaning is not entirely clear, and people may use it for only the commercial ties, only the cultural actions, or even as a euphemism for the Two Chinas, while others may...
  
  
• Greater India
  Greater India
  Greater India is a term that refers to the historical spread of the culture of India beyond the Indian subcontinent...
  
  /Indosphere
  Indosphere
  Indosphere is a subgrouping of Tibeto-Burman languages as defined by linguist James Matisoff, which includes languages that are typologically and morphologically a closeness to Indo-Aryan languages...
  
  
• Greater Persia
• Nordic countries
  Nordic countries
  The Nordic countries make up a region in Northern Europe and the North Atlantic which consists of Denmark, Finland, Iceland, Norway and Sweden and their associated territories, the Faroe Islands, Greenland and Åland...
  
  

religious

• Christendom
  Christendom
  Christendom, or the Christian world, has several meanings. In a cultural sense it refers to the worldwide community of Christians, adherents of Christianity...
  
  
• Islamic world