1210s establishments in the Holy Roman Empire

Zurich (German: Zürich; Alemannic German: Züri) is the largest city in Switzerland and the capital of the canton of Zurich. It is located in north-central Switzerland, at the northwestern tip of Lake Zurich. As of January 2023, the municipality had 443,037 inhabitants, the urban area 1.315 million (2009), and the Zurich metropolitan area 1.83 million (2011). Zurich is a hub for railways, roads, and air traffic. Both Zurich Airport and Zurich's main railway station are the largest and busiest in the country.

The Crosiers, formally known as the Canons Regular of the Order of the Holy Cross (Latin: Canonici Regulares Ordinis Sanctae Crucis), abbreviated OSC, is a Catholic religious order of canons regular of Pontifical Right for men. It is one of the Church's oldest religious orders, and membership consists of priests and brothers who live together according to the Rule of St. Augustine.

The Lordship of Ruppin was a feudal lordship of the Holy Roman Empire centered around the town of Neuruppin. The Lords of Ruppin held up residence in Castle Ruppin [de] since 1240. The lordship was under the rule of the Lindow-Ruppin [de] family from about 1214 until 1524 before being annexed by the Margraviate of Brandenburg.

The Neuenwalde Convent (N. Low Saxon: Klooster Niewohl, German: Kloster Neuenwalde; Latin: Conventus Sanct[a]e Crucis) is a Lutheran damsels' convent in Neuenwalde, a locality of Geestland, Lower Saxony, Germany.

Ryd Abbey or Rüde Abbey (Danish: Ryd Kloster; German: Rüdekloster; Latin: Rus regis) was a Cistercian monastery in Munkbrarup that formerly occupied the present site of Glücksburg Castle in Glücksburg on the Flensburg Fjord in the Schleswig-Flensburg district of Schleswig-Holstein, Germany.

The Principality of Anhalt (German: Fürstentum Anhalt) was a State of the Holy Roman Empire, located in Central Germany, in what is today part of the federal state of Saxony-Anhalt.

The Duchy of Urbino (Italian: Ducato di Urbino) was an independent duchy in early modern central Italy, corresponding to the northern half of the modern region of Marche. It was directly annexed by the Papal States in 1631.

Nieder-Isenburg (often called Lower Isenburg) was a small mediaeval county in northern Rhineland-Palatinate, Germany. It was located to the east of the town of Neuwied, due north of Vallendar.

The County of Stolberg (German: Grafschaft Stolberg) was a county of the Holy Roman Empire located in the Harz mountain range in present-day Saxony-Anhalt, Germany. It was ruled by a branch of the House of Stolberg.

The Thomanerchor (English: St. Thomas Choir of Leipzig) is a boys' choir in Leipzig, Germany. The choir was founded in 1212. At present, the choir consists of about 90 boys from 9 to 18 years of age. The members, called Thomaner, live in a boarding school, the Thomasalumnat, and attend the Thomasschule zu Leipzig, a Gymnasium school with a linguistic profile and a focus on musical education. The younger members attend the primary school 76. Grundschule in der Manetstraße. Johann Sebastian Bach served as Thomaskantor, director of the choir and church music in Leipzig, from 1723 to 1750.