The phrase "realm of love" is correct and usable in written English. You can use it to refer to a place of deep or strong love, such as a romantic relationship, a loving family, or a close friendship. For example, you could say: "Their marriage was a beautiful realm of love, comfort, and security.".
Other novels, such as Die Frau, nach der man sich sehnt (1927; Three Loves) and Zauberreich der Liebe (1928; "The Magic Realm of Love"), deal sensitively with the problems of love.
So Mr. Prost did perhaps the most logical thing one can do in the illogical realm of love: He proposed.
Few things in the realm of love are more exhausting than a partner who is geographically unsettled.
I would try to commission a work dedicated to the elimination of wars, atrocities and every kind of hatred – a piece of universal significance, inviting all people into the realm of love.
Your poetry has often been focussed on the subjects of happiness, discipline, and fulfillment in the realms of love and work, and a great appreciation of chance and fate.
There, criticism becomes a variety of literature, in its conjuring of what defies description; and there, the making of art enters the moral realms of love and war, where the physical imperative in the heat of the moment requires paradoxical intensities of control and abandon, of trust and danger.
One of the most notable and extraordinary stories depicted this year at Sundance was that of a little known writer from Berkeley, who managed to outdo the inhibitions of his existence to explore the realms of love and, most importantly, get laid.
Ludwig does not simply clarify my doubts with English writing, it enlightens my writing with new possibilities
Simone Ivan Conte
Software Engineer at Adobe, UK