And if so what those negotiations involve?
After September 1939, no.
Before the answer, Greek foreign policy, as Greece is a maritime nation, was always the alignment with the strongest naval power in the Mediterranean, which was, until 1948, Britain.
In September 1936, King Edward’s VIII visit to Greece legitimized the new Metaxas’ regime and established it as pro-British. In 1938 Metaxas proposed the creation of a Greco-British alliance, as he viewed an Italo-British war inevitable. Britain refused, as she always avoided to bind herself, she didn’t have the military-economic means to assist Greece and she dominated the political situation in Greece anyway.
In April 1939, when Italy annexed Albania, Britain and France publicly guaranteed Greek independence but their guarantee was not matereliazed.
Britain pressed Greece, in September 1939, not to renew the 1928 Greco-Italian treaty of friendship, to avoid any Greek commitment to Italy.
In January 1940, Britain pressed again Greece into signing a trade agreement. According to it, Greece would limit her exports to Germany (bauxite was the main concern) and the Greek merchant navy would be utilized by the British for their war needs.
In general, Italy wanted a territorial expansion against Greece, Britain wanted to retain her influence in the country, so Greece, while struggling to remain neutral, turned more and more to Britain, as Italian pressure was escalating…