Ujjain

The mythological Avanti and Kushasthali.

Udayadri

A mountain in the east, behind which the sun lives.

Udaya is the appearance of a luminary – sun, moon.

Udayana and Vasavadatta

Udayana was the son of king Sahasranika of Vatsa kingdom, he was married with Vasavadatta, princess of Ujjain.

Two Sanskrit plays of Bhasa deal with Udayana and Vasavadatta.

Pratijnayaugandharayana – The Pledge of Minister Yaugandharayana
and
Svapnavasavadattam – The dream of Vasavadatta.

Read about Udayana and Vasavadatta here
https://www.wisdomlib.org/hinduism/compilation/puranic-encyclopaedia/d/doc242020.html

Upanishads

The metaphysical knowledge of the ultimate truth of the Veda.

Udaya

The appearance of a luminary.

In the myths a mountain (Udayadri) lying in the east is connected with it, behind which the sun lives.

Upasana Khanda

Each Veda consists of three parts

Karma Khanda deals with rites. Karma – the outward worship through action.
Upasana Khanda is about worship and meditation. Upasana – inner worship.
Jnana Khanda discusses supreme knowledge of the self. Jnana – wisdom.

Uddhava Gita

A discours by Krishna to His friend Uddhava. Uddhava Gita is also called Hamsa Gita.

Read Uddhava Gita here
https://www.gita-society.com/wp-content/uploads/PDF/THEUDDHAVAGITA.IGS.pdf

Upapataka

A miner offense, not specified.

Major offenses are five in number
Killing a brahmin, a child, a pregnant woman.
Drinking intoxicating beverages.
To steal.
A relationship with the Guru’s wife.
To be together with someone who has committed a great crime.

Upendra

A name of  Vishnu as ‚The friend/helper of Indra‚. Indra is also called Mahendra, Maha Indra, the great Indra.

Indra and Vishnu are Mahendra and Upendra.

In myths, the Gods usually go to Brahma when they have difficulties. He goes to Indra with them and if he cannot help, Vishnu is visited. He always has the solution.

Upakichakas

The 105 brothers of Kichaka.