Boljunčica
Boljunčica is a river in inland Istria, Croatia.
It discharges into the Adriatic Sea near Plomin.
It is long and it has a basin with an area of.
Its average discharge at the measurement station in Polje Čepić( covering 183 km of the basin) is 0.956 m/s, and it can go completely dry.
Boljunčica rises on the western slopes of the Učka mountain and flows to the south.
Near Polje Čepić and Potpićan, it goes underground and emerges near Plomin.
Squalius janae
Squalius janae, commonly known as the Istrian chub, is a species of freshwater fish in the carp family Cyprinidae.
It was first described in 2010 from the Dragonja River drainage in Slovenia.
Since then they have also been found in the Boljunčica and Pazinčica river drainages in Istria, Croatia.
Trubizh River
Trubizh is a river entirely located in Ukraine, a left tributary of Dnieper.
It falls into the Dnieper's Kaniv Reservoir( named after Kaniv).
It is not to be confused with the Russian Trubezh River( both of them are called Трубеж in Russian).
Major cities: Pereiaslav.
Barama River
The Barama River is a tributary of the Waini River, both being in the Barima- Waini administrative region of Guyana.
It flows from its source at Gunajit Baishya to its confluence with the Waini.
Crocodile River (Limpopo)
The Crocodile River is a river in South Africa.
After its confluence with the Marico River, both rivers form the Limpopo River.
Varadouro River
The Varadouro River is a river of Mato Grosso do Sul state in southwestern Brazil.
Tesechoacan River
The Tesechoacan River is a river of Mexico in Veracruz state.
It is formed where the Cajones River joins the Manso River, both flowing eastward from the Sierra Madre de Oaxaca and is a tributary of the Papaloapan River.
Crocodile River (Limpopo)
The Crocodile River is a river in South Africa.
After its confluence with the Marico River, both rivers form the Limpopo River.
Radzice
Radzice is part of the name of two villages, both located in Gmina Drzewica, within Opoczno County, Łódź Voivodeship, Poland:
São Sebastião River
There are two rivers named São Sebastião River, both in Brazil:

Question: Are Boljunčica and Varadouro River both located in the same country?
Answer: no