Question: What is the family of brands with a hotel in Istanbul Old City that operates in 52 countries?

Context articles: List of educational institutions in Mysore
Crowne Plaza
Old City (Shanghai)
Armenian Quarter
Old City (Baku)
Tayyare Apartments
British International School Ho Chi Minh City
United Nations Environment Organization
Old City (Hyderabad, India)
Renaissance Plaza

Mysore city in Karnataka, India has become an educational hub because of good weather and cheaper living cost.
 A large number of students from different parts of India and a few hundreds of students from foreign countries live and study here.
 Mysore ranks five among Indian cities that attracts foreign students.
 Students from 52 countries study here for undergraduate and post-graduate courses.
 Around 1,000 students arrive in Mysore every year for higher studies.
 Most of the foreign students are from Iran, Afganisthan, China, Maldives and different parts of Africa.
Crowne Plaza is a chain of full service, upscale hotels catering to business travelers and to the meetings and conventions market.
 It forms part of the InterContinental Hotels Group family of brands, which include InterContinental Hotels & Resorts and Holiday Inn Hotels & Resorts, and operates in 52 countries with more than 400 hotels, usually located in city centers, resorts, coastal towns or near major airports.
The Old City of Shanghai (; Shanghainese: "Zånhae Loh Senshian"), also formerly known as the Chinese city, is the traditional urban core of Shanghai, China.
 Its boundary was formerly defined by a defensive wall.
 The Old City was the county seat for the old county of Shanghai.
 With the advent of foreign concessions in Shanghai, the Old City became just one part of Shanghai's urban core but continued for decades to be the seat of the Chinese authority in Shanghai.
 Notable features include the City God Temple which is located in the center of the Old City and is connected to the Yuyuan Garden.
 With the exception of two short sections, the walls were demolished in 1912, and a broad circular avenue built over the former wall and moat: the southern half was named the "Zhonghua Road" and the northern half the "Minguo Road" (together making up ""Zhonghua Minguo"", or "Republic of China" in Chinese).
 (The northern half was renamed "Renmin Road" ("People's Road") in 1950 by the new Communist government of Shanghai).
The Armenian Quarter (Arabic: حارة الأرمن‎ ‎ , "Harat al-Arman"; Hebrew: הרובע הארמני‎ ‎ , "Ha-Rova ha-Armeni"; Armenian: Հայոց թաղ, "Hayots t'agh" ; currently mostly known as Երուսաղէմի հայկական թաղամաս , "Yerusaghemi haykakan t'aghamas") is one of the four quarters of the walled Old City of Jerusalem.
 Located in the southwestern corner of the Old City, it can be accessed through the Zion Gate and Jaffa Gate.
 It occupies an area of 0.126 km² (126 dunam), which is 14% of the Old City's total.
 In 2007, it had a population of 2,424 (6.55% of Old City's total).
 In both criteria, it is comparable to the Jewish Quarter.
 The Armenian Quarter is separated from the Christian Quarter by David Street (Suq el-Bazaar) and by Habad Street (Suq el-Husur) from the Jewish Quarter.
Old City or Inner City (Azerbaijani: "İçərişəhər" ) is the historical core of Baku, the capital of Azerbaijan.
 The Old City is the most ancient part of Baku, which is surrounded by walls were well protected.
 In 2007, the Old City had a population of about 3000 people.
 In December 2000, the Old City of Baku, including the Palace of the Shirvanshahs and Maiden Tower, became the first location in Azerbaijan to be classified as a World Heritage Site by UNESCO.
The Tayyare Apartments, (initially Ottoman Turkish: "Harikzedegân Apartmanları"‎ or later Turkish: "Tayyare Apartmanları" ), are a complex of four buildings completed in 1922 and located in the old city of Istanbul, Turkey.
 The apartments were originally built as public housing for the victims of a great fire, converted later into hotel premises.
 Formerly Ramada Hotel and then Merit Antique Hotel, the complex is currently a five star hotel of the Crowne Plaza Hotels & Resorts chain named Crowne Plaza Istanbul Old City.
The British International School (BIS), Ho Chi Minh City is an international school in Ho Chi Minh City, Vietnam, offering a British style education.
 The school has three campuses located in Ho Chi Minh City (Saigon).
 One Primary campus is located in District 3 of the city, whilst a second Primary campus and a Secondary campus are located in the residential area of District 2.
 BIS was founded in 1997 as Tiny Tots, a Kindergarten.
 Beginning with only two classes, two overseas teachers and 40 toddlers, it has since grown to become a private day school with over 1,800 students from 52 countries.
 Both Primary campuses cater for students from the Foundation Stage (Pre-school) through to Year 6 and the Secondary campus caters for students from Years 7-13.
 BIS has 161 full-time teachers, most of whom are British qualified.
 BIS teaches the National Curriculum of England and students take both the International General Certificate of Secondary Education (IGCSE) examinations and the International Baccalaureate Diploma Programme.
 BIS is accredited through the Council of International Schools (CIS).
 The school is a registered centre for the UK examination boards, Cambridge International Examinations.
 It is also designated as an IB World School.
 It is a member of the Federation of British International Schools in South East Asia (FOBISSEA).
Proposals for the creation of a United Nations Environmental Organization (UNEO) have come as some question the efficacy of the current United Nations Environmental Program (UNEP) at dealing with the scope of global environmental issues.
 Created to act as an anchor institution in the system of Global Environmental Governance (GEG), it has failed to meet those demands.
 The UNEP has been hindered by its title as a Programme as opposed to a Specialized agency like the WTO or WHO, in addition to a lack of voluntary funding, and a location removed from the centers of political power, in Nairobi, Kenya.
 These factors have led to widespread calls for UNEP reform, and following the publication of Fourth Assessment Report of the IPCC in February 2007, a "Paris Call for Action" read out by French President Chirac and supported by 46 countries, called for the UNEP to be replaced by a new and more powerful United Nations Environment Organization, to be modelled on the World Health Organization.
 The 52 countries included the European Union nations, but notably did not include the United States and BRIC (Brasil, Russia, India, and China), the top five emitters of greenhouse gases.
The Old City, Hyderabad is a walled city of Hyderabad, Telangana, India, located on the banks of the Musi River built by Qutb Shahi sultan Muhammed Quli Qutb Shah in 1591 AD.
 It remained the royal seat of the Nizam of Hyderabad until the end of the reign of the last Nizam, Osman Ali Khan, Asaf Jah VII (r. 1911–1948).
 Named after Hyder Mahal, wife of the ruler Muhammed Quli Qutb Shah, Hyderabad takes pride in its possession of magnificent antiquated structures, domical mosques, and monuments (r. 1580–1611).
 Once a vibrant city teeming with palatial mansions of Nawabs and mosques, the old city of Hyderabad today is a little crowded but remains the symbolic heart of cosmopolitan Hyderabad along with HITEC City.
 The old city of Hyderabad a tourist hot spot, and the heart of Hyderabadi Muslim culture.
Renaissance Plaza (formerly named World Trade Square) is a proposed residential and retail complex to be built on a 5.5 acre site in the Delaware Riverfront region of Philadelphia, Pennsylvania.
 The previous World Trade Square complex design was to be developed by Carl Marks Real Estate Group and called for four high-rise office buildings: Old City Harbor Tower I, Old City Harbor Tower II, Old City Harbor Tower III, and the Greater Philadelphia World Trade Center.
 The tallest buildings would have been the Old City Harbor Towers II and III, which were planned as twin office skyscrapers that each rise 636 feet (194 m), with 37 floors.
 Old City Harbor Tower I was being planned as a residential tower, rising 435 ft (132 m), with 42 floors.
 The Greater Philadelphia World Trade Center would have been the shortest of all four buildings, rising 324 ft (99 m), with 17 floors.